21. High seas, heavy surf and loose volcanic soil made movement off the beaches difficult. 22. Red Rock Terrace is a seven-acre, north-facing outcropping of iron-rich, deep, reddish-brown volcanic soil . 23. Their prosperity was due, in part, to the fertile volcanic soil , deposited when Mt. 24. The fertile volcanic soils are rich in minerals and hence require no artificial fertilization. 25. Maraba's coffee plants are the volcanic soils on high-altitude hills. 26. Towards the east and near the Soave DOC are several areas featuring volcanic soils . 27. It thrives in volcanic soils because of its deep roots. 28. Because of its rich volcanic soil , agriculture is important in Giru? notably soy production. 29. The Martian soil may resemble the volcanic soil of Hawaii. 30. This habitat is chaparral and woodland on volcanic soils .